Light tower



FIG. 1 is an isometric view of a light tower incorporating our new design, viewed from above, in front of, and from the left side of the light tower;

FIG. 2 is an isometric view of the light tower incorporating our new design, viewed from above, behind, and from the left side of the light tower;

FIG. 3 is a front end elevation view thereof;

FIG. 4 is a rear end elevation view thereof;

FIG. 5 is left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings show environmental structures and form no part of the claimed design. 

CLAIM The ornamental design for a light tower, as shown and described. 